<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
    public $user;
    public $_id;
    public $username;

	public function authenticate()
	{
		/*$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);*/
		$user = User::model()->find('username = :name', array(':name' => $this->username));
		if(!isset($user[$this->username]))
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		elseif( $user->password!==md5($this->password) )
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else
			$this->errorCode=self::ERROR_NONE;
            $this->setUser($user);
            $this->_id=$user->id;
            $this->username=$user->username;
		return !$this->errorCode;
	}

    public function getUser() {
        return $this->user;
    }

    public function getId() {
        return $this->_id;
    }

    public function getUserName() {
        return $this->username;
    }

    public function setUser(CActiveRecord $user) {
        $this->user = $user->attributes;
    }

}